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GE IS200JPDHG1AAA High Density Power Distribution Board
The GE IS200JPDHG1AAA, also cataloged as the IS200JPDHG1 power distribution board, operates as a dedicated hardware component for dual 24/28 VDC power routing and segmentation within GE Mark VI / Mark VIe I/O backplane systems. It distributes incoming DC supply rails into multiple fused output branches used by I/O packs and Ethernet switch assemblies through board-level power planes and connector-level current paths.
The module implements high-density power fan-out using parallel distribution traces and per-channel protection elements, ensuring localized fault containment at connector level while maintaining upstream feed continuity.
Hardware Specifications
| Parameter |
Specification |
| Model |
IS200JPDHG1AAA |
| Brand |
GE |
| Origin |
USA |
| Weight |
0.3 kg |
| Operating Temp |
-30 deg C to +65 deg C |
| Power Consumption |
Not specified (backplane-fed distribution) |
| Nominal Voltage |
24/28 VDC dual inputs |
| Distribution Capacity |
Up to 24 I/O packs + 3 Ethernet switches |
| Connectors |
29 female plugs, 2 six-pin plugs |
| Protection |
PTC fuses + onboard fused outputs |
| Mounting |
DIN-rail card carrier |
| Diagnostics |
LED status indicators |
GE Mark VI / Mark VIe Backplane Power Distribution Architecture
The IS200JPDHG1AAA integrates into Mark VI / Mark VIe backplane structures where dual redundant DC feeds are routed through independent input paths before being segmented into multiple downstream load domains. Each output channel is protected by resettable polymeric positive temperature coefficient (PTC) elements, enabling localized current limitation during fault conditions without collapsing the full distribution rail.
The board-level topology supports deterministic I/O pack energization sequences, with power rail stabilization occurring prior to communication initialization across Ethernet switch and I/O subsystems. LED-based diagnostics reflect input rail presence and fuse integrity status for each power segment, allowing direct electrical state observation without external measurement instrumentation.
Frequently Asked Questions (FAQ)
Q: Does each output channel have independent protection?
A: Each connector branch is protected by individual PTC elements, limiting fault current at the channel level while maintaining upstream rail continuity.
Q: Can the board operate with a single DC input feed?
A: Yes, but redundancy is reduced. Dual 24/28 VDC inputs are routed independently for feed isolation and supply continuity under source loss.
Q: Does the module support hot insertion under load?
A: Insertion under energized backplane conditions depends on rack implementation. Inductive inrush and connector sequencing must be evaluated at system level.
Field Installation Guidelines
Mount the board on a grounded DIN-rail carrier with verified chassis continuity. Ensure dual DC input feeds are isolated prior to connection and maintain correct polarity alignment across redundant supply terminals. Route power conductors away from signal-level wiring to minimize electromagnetic coupling. Verify that all plug connectors are fully seated and mechanically locked before energization. Apply consistent torque and engagement depth per industrial DIN-rail connector standards. Maintain proper spacing between adjacent power distribution boards to avoid thermal accumulation in cabinet environments.
